gc physics textbook chapter 6 problems (id: 3880c1f79)

本题目来源于试卷: gc physics textbook chapter 6 problems，类别为 IB物理学

[填空题]
At an accident scene on a 6)tna0; ut4q0 ritnolle mql(8g9jtkl w(c wqb4okb 118vel road, investigators measure a car’s skid mark to be 88 m long. The accident occurred on a rainy day, and the coefficient okgt11jok lb (9 8qlbm(w c48wqf kinetic friction was estimated to be 0.42. Use these data to determine the speed of the car when the driver slammed on (and locked) the brakes. (Why does the car’s mass not matter?)    m/s

参考答案: 27±2%


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